package runtime

import (
	"bytes"
	"strings"
	"testing"

	_ "reichard.io/poiesis/internal/standard"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestExecuteTypeScript(t *testing.T) {
	var stdout, stderr bytes.Buffer

	rt := New()
	err := rt.RunFile("../../test_data/test.ts", &stdout, &stderr)

	assert.NoError(t, err, "Expected no error")
	assert.Empty(t, stderr.String(), "Expected no error output")

	output := stdout.String()

	assert.Contains(t, output, "Hello, Alice!", "Should greet Alice")
	assert.Contains(t, output, "You are 30 years old", "Should show age")
	assert.Contains(t, output, "Email: alice@example.com", "Should show email")
	assert.Contains(t, output, "Sum of 5 and 10 is: 15", "Should calculate sum correctly")

	lines := strings.Split(strings.TrimSpace(output), "\n")
	assert.GreaterOrEqual(t, len(lines), 3, "Should have at least 3 output lines")
}

func TestFetchBuiltinIntegration(t *testing.T) {
	rt := New()

	tsContent := `
		const result = add({a: 5, b: 10});
		console.log("Result:", result);
	`

	var stdout, stderr bytes.Buffer
	err := rt.RunCode(tsContent, &stdout, &stderr)
	require.NoError(t, err)
	assert.Contains(t, stdout.String(), "Result:")
}